internal static IncrementOperation Parse(BlittableJsonReaderObject input)
{
if (input.TryGet(nameof(Timestamp), out DateTime ts) == false)
{
throw new InvalidDataException($"Missing '{nameof(Timestamp)}' property");
}
if (input.TryGet(nameof(Values), out BlittableJsonReaderArray values) == false || values == null)
{
throw new InvalidDataException($"Missing '{nameof(Values)}' property");
}
var doubleValues = new double[values.Length];
for (int i = 0; i < doubleValues.Length; i++)
{
doubleValues[i] = values.GetByIndex <double>(i);
}
var op = new IncrementOperation
{
Timestamp = ts,
Values = doubleValues
};
return(op);
}
/// <summary>
/// Increments the value of the specified key by the given amount. The operation is atomic and happens on the server.
/// </summary>
/// <param name="key">The identifier for the item to increment.</param>
/// <param name="amount">The amount by which the client wants to increase the item.</param>
/// <returns>The new value of the item or -1 if not found.</returns>
/// <remarks>The item must be inserted into the cache before it can be changed. The item must be inserted as a <see cref="T:System.String"/>. The operation only works with <see cref="System.UInt32"/> values, so -1 always indicates that the item was not found.</remarks>
public long Increment(string key, uint amount)
{
using (IncrementOperation i = new IncrementOperation(this.pool, key, amount))
{
i.Execute();
return(i.Success ? (long)i.Result : -1);
}
}
public void VisitIncrementOperation(IncrementOperation incrementOperation)
{
VisitExpression(incrementOperation.Expression);
}